Fatal Error Xercesc/dom/dom.hpp No Such File Or Directory Probably you are missing the openssl header files. depending on your distribution this package might have a different name, mostly it's something like openssl-dev or openssl-devel. after you installed the openssl header files, the compiler should be able to find openssl/sha.h. G03 Error G02 and G03 – Arc at Feed Rate | Tormach® is the